769091129 has 2 divisors, whose sum is σ = 769091130. Its totient is φ = 769091128.

The previous prime is 769091093. The next prime is 769091153. The reversal of 769091129 is 921190967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568727104 + 200364025 = 23848^2 + 14155^2 .

It is an emirp because it is prime and its reverse (921190967) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769091129 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 769091129.

It is not a weakly prime, because it can be changed into another prime (769091189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384545564 + 384545565.

It is an arithmetic number, because the mean of its divisors is an integer number (384545565).

Almost surely, 2^769091129 is an apocalyptic number.

It is an amenable number.

769091129 is a deficient number, since it is larger than the sum of its proper divisors (1).

769091129 is an equidigital number, since it uses as much as digits as its factorization.

769091129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 769091129 is about 27732.4922969429. The cubic root of 769091129 is about 916.2048801040.

The spelling of 769091129 in words is "seven hundred sixty-nine million, ninety-one thousand, one hundred twenty-nine".